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I first encountered the work of video artist Tsui Kuang-yu last summer, when his series The Shortcut to the Systematic Life: City Spirits was on show at Chi-Wen Gallery.
Shot in London and Taipei, the series has no sound. It doesn't need it - the audience provided plenty. The first, Part I Bowling Alley in London, simply shows a park with people sitting on benches on both sides of a path, while a group of pigeons pecked in the foreground.
Boring ... until Tsui appears with a bowling ball in his hands. Some people gasped, some laughed as Tsui hurls the ball at the pigeons. In subsequent scenes, Tsui continues to surprise pigeons throughout London.
'When I saw there were lots of pigeons in the square, this idea just came to my mind,' Tsui says. He realises that some people may regard it as ridiculous, but says he hopes they will 'think further'.
In Part 2 The Rat Race (2006), Tsui stands next to traffic lights at a busy London intersection. When they turn green, he raises a chequered flag and waves it vigorously, urging the drivers to go. He continues around town, waving the flag at cyclists and double-decker buses.